JP6482445B2 - ボンド磁石用フェライト粉末とその製造方法、並びにフェライト系ボンド磁石 - Google Patents

ボンド磁石用フェライト粉末とその製造方法、並びにフェライト系ボンド磁石 Download PDF

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Publication number
JP6482445B2
JP6482445B2 JP2015193725A JP2015193725A JP6482445B2 JP 6482445 B2 JP6482445 B2 JP 6482445B2 JP 2015193725 A JP2015193725 A JP 2015193725A JP 2015193725 A JP2015193725 A JP 2015193725A JP 6482445 B2 JP6482445 B2 JP 6482445B2
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powder
ferrite
bonded magnet
ferrite powder
mass
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JP2016072636A (ja
Inventor
禅 坪井
禅 坪井
泰信 三島
泰信 三島
敬祐 綾部
敬祐 綾部
正康 千田
正康 千田
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Dowa Electronics Materials Co Ltd
Dowa F Tec Co Ltd
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Dowa Electronics Materials Co Ltd
Dowa F Tec Co Ltd
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Priority to PCT/JP2015/077876 priority Critical patent/WO2016052678A1/fr
Priority to KR1020177011258A priority patent/KR102117580B1/ko
Priority to US15/515,902 priority patent/US10665371B2/en
Publication of JP2016072636A publication Critical patent/JP2016072636A/ja
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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/0018—Mixed oxides or hydroxides
    • C01G49/0036—Mixed oxides or hydroxides containing one alkaline earth metal, magnesium or lead
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/0302—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity characterised by unspecified or heterogeneous hardness or specially adapted for magnetic hardness transitions
    • H01F1/0311—Compounds
    • H01F1/0313—Oxidic compounds
    • H01F1/0315—Ferrites
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/10—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • H01F1/11—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/10—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • H01F1/11—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
    • H01F1/111—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles with a non-magnetic core
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/44—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/51—Particles with a specific particle size distribution
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/51—Particles with a specific particle size distribution
    • C01P2004/52—Particles with a specific particle size distribution highly monodisperse size distribution
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/42—Magnetic properties
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/10—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • H01F1/11—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
    • H01F1/113—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles in a bonding agent

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  • Power Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Electromagnetism (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Hard Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
JP2015193725A 2014-09-30 2015-09-30 ボンド磁石用フェライト粉末とその製造方法、並びにフェライト系ボンド磁石 Active JP6482445B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2015/077876 WO2016052678A1 (fr) 2014-09-30 2015-09-30 Poudre de ferrite pour aimant lié, son procédé de fabrication et aimant lié à base de ferrite
KR1020177011258A KR102117580B1 (ko) 2014-09-30 2015-09-30 본드 자석용 페라이트 분말과 이의 제조 방법, 및 페라이트계 본드 자석
US15/515,902 US10665371B2 (en) 2014-09-30 2015-09-30 Ferrite powder for bonded magnets, method for producing the same and ferrite bonded magnet

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014202602 2014-09-30
JP2014202602 2014-09-30

Publications (2)

Publication Number Publication Date
JP2016072636A JP2016072636A (ja) 2016-05-09
JP6482445B2 true JP6482445B2 (ja) 2019-03-13

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JP2015193725A Active JP6482445B2 (ja) 2014-09-30 2015-09-30 ボンド磁石用フェライト粉末とその製造方法、並びにフェライト系ボンド磁石

Country Status (5)

Country Link
US (1) US10665371B2 (fr)
EP (1) EP3203484A4 (fr)
JP (1) JP6482445B2 (fr)
KR (1) KR102117580B1 (fr)
CN (1) CN106688056B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019093508A1 (fr) 2017-11-13 2019-05-16 Ｄｏｗａエレクトロニクス株式会社 Poudre de ferrite pour des aimants liés et son procédé de production
JP7082033B2 (ja) 2017-11-13 2022-06-07 Ｄｏｗａエレクトロニクス株式会社 ボンド磁石用フェライト粉末およびその製造方法
CN108285348B (zh) * 2018-02-08 2020-06-26 安徽盛美格新材料有限公司 一种干压异性永磁铁氧体用磁粉的制造方法
JP7405648B2 (ja) * 2020-03-04 2023-12-26 Ｄｏｗａエレクトロニクス株式会社 ボンド磁石用フェライト粉末およびその製造方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3257936B2 (ja) * 1995-10-11 2002-02-18 日本弁柄工業株式会社 ボンド磁石用フエライト粉末およびこれを用いたボンド磁石
KR0177365B1 (ko) * 1996-04-30 1999-05-15 신용진 스트론튬 페라이트 플라스틱 자석의 제조 방법
JP4697366B2 (ja) * 2000-12-07 2011-06-08 戸田工業株式会社 ボンド磁石用ストロンチウムフェライト粒子粉末及び該ストロンチウムフェライト粒子粉末を用いたボンド磁石
JP2004327669A (ja) * 2003-04-24 2004-11-18 Dowa Mining Co Ltd ボンド磁石およびボンド磁石用フェライト磁性粉
JP4806798B2 (ja) * 2006-02-13 2011-11-02 Ｄｏｗａエレクトロニクス株式会社 ボンド磁石用フェライト磁性粉およびその製造方法、並びにボンド磁石
JP4877513B2 (ja) * 2007-03-14 2012-02-15 戸田工業株式会社 ボンド磁石用フェライト粒子粉末、ボンド磁石用樹脂組成物ならびにそれらを用いた成型体
KR101385869B1 (ko) * 2007-03-30 2014-04-17 도다 고교 가부시끼가이샤 본드 자석용 페라이트 입자 분말, 본드 자석용 수지 조성물및 이들을 이용한 성형체
JP5578777B2 (ja) * 2007-09-28 2014-08-27 Ｄｏｗａエレクトロニクス株式会社 ボンド磁石用フェライト粉末およびその製造方法、並びに、これを用いたボンド磁石
CN102388423B (zh) * 2009-04-09 2015-02-25 同和电子科技有限公司 粘结磁体用铁氧体粉末及其制造方法、以及使用其的粘结磁体
JP6468192B2 (ja) * 2013-10-02 2019-02-13 戸田工業株式会社 ボンド磁石用フェライト粒子粉末、ボンド磁石用樹脂組成物ならびにそれらを用いた成型体

Also Published As

Publication number Publication date
US10665371B2 (en) 2020-05-26
KR20170061150A (ko) 2017-06-02
CN106688056B (zh) 2019-05-10
EP3203484A1 (fr) 2017-08-09
EP3203484A4 (fr) 2018-06-13
KR102117580B1 (ko) 2020-06-01
US20170301440A1 (en) 2017-10-19
CN106688056A (zh) 2017-05-17
JP2016072636A (ja) 2016-05-09

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